package com.atguigu.gulimall.order.config;

import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.Exchange;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.core.TopicExchange;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;

/**
 * @Package com.atguigu.gulimall.order.config
 * @author wzb
 * @date 2022-09-20 9:47
 * @version V1.0
 * @Copyright ©
 */
@Configuration
public class MyMQconfig {





    //@Bean  Binding Queue Exchange

    /**
     * 容器中的 Binding Queue Exchange都会自动创建(RabbitMQ没有的情况)
     * RabbitMQ只有有，@Bean声明属性发生变化也不会覆盖
     * @return
     */
    @Bean
    public Queue orderDelayQueue() {
        /**
         * x-dead-letter-exchange: order-event-exchange
         * x-dead-letter-routing-key: order.release.order
         * x-message-ttl: 60000
         */
        //String name, boolean durable, boolean exclusive, boolean autoDelete,@Nullable Map<String, Object> arguments
        HashMap<String, Object> arguments = new HashMap<>();
        arguments.put("x-dead-letter-exchange", "order-event-exchange");
        arguments.put("x-dead-letter-routing-key", "order.release.order");
        arguments.put("x-message-ttl", 60000);


        Queue queue = new Queue("order.delay.queue", true, false, false, arguments);
        return queue;
    }

    @Bean
    public Queue orderReleaseOrderQueue() {
        //order.release.order. queue

        Queue queue = new Queue("order.release.order.queue", true, false, false);
        return queue;
    }

    @Bean
    public Exchange orderEventExchange() {
        //String name, boolean durable, boolean autoDelete, Map<String, Object> arguments

        TopicExchange topicExchange = new TopicExchange("order-event-exchange", true, false);
        return topicExchange;
    }

    @Bean
    public Binding orderCreateOrderBinding() {
        //String destination, DestinationType destinationType, String exchange, String routingKey,@Nullable Map<String, Object> arguments

        Binding binding = new Binding(
                "order.delay.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.create.order",
                null);
        return binding;

    }

    @Bean
    public Binding orderReleaseOrderBinding() {
        Binding binding = new Binding(
                "order.release.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.order",
                null);
        return binding;
    }

    /**
     * 订单释放直接和库存释放进行绑定
     * @return
     */
    @Bean
    public Binding orderReleaseOtherBinding() {
        Binding binding = new Binding(
                "stock.release.stock.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.other.#",
                null);
        return binding;
    }


}
